Mattress cover



FIG. 1 is a front perspective view of a mattress cover showing the newdesign, and is shown after being expanded to cover a mattress;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof; the bottom view is the same as the topview shown;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

CLAIM The ornamental design for a mattress cover, as shown anddescribed.